The blue-chip Dow Jones Industrial Average held steady on Tuesday after posting its best day since March, while the broader S&P 500 fluctuated within 1% of a record.
The 30-stock index gained 15.31 points to 33,892.28.
The S&P 500 moved forward 13.52 points to 4,238.31,
The NASDAQ prospered 54.65 points to 14,196.13.
Bitcoin briefly broke below $30,000 on Tuesday to trade at its lowest level in more than five months as losses accelerated with intensified crackdown efforts by China. With Tuesday's drop, the world's largest crypto currency also turned negative on the year at one point.
Alphabet shares traded slightly lower after the European Commission opened a probe into Google's advertising unit.
Federal Reserve Chairman Jerome Powell will testify before the House of Representatives Tuesday on the central bank's response to the pandemic.
His remarks, which were released ahead of the hearing Monday evening, are likely to support the notion that the Fed is ready to soon start discussing removing some of its unprecedented stimulus measures enacted during the pandemic.
Powell's testimony begins at 2 p.m. ET.
Prices for 10-Year Treasurys were higher, lowering yields t0 1.47% from Monday's 1.49%. Treasury prices and yields move in opposite directions.
Oil prices sank 52 cents to $73.14 U.S. a barrel.
Gold prices removed $6.40 to $1,776.50 U.S. an ounce.